Table 1 Age distribution of most frequently involved pathogens in pediatric AHOM

<  3 months

S. aureus

E. coli

H. influenzae

N. gonorrhoeae (in case of congenital infection)

Streptococcus β haemolyticus group B

C. albicans

3 months – 5 years

S. aureus

K. kingae

Streptococcus β haemolyticus group A

S. pneumoniae (especially under 2 years-old)

H. influenzae type B (rare in fully vaccinated immunocompetent patients)

>  5 years

S. aureus

Streptococcous β haemolyticus group A

N. gonorrhoeae (in sexually active adolescents)